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<table width="100%" summary="page for Diamond"><tr><td>Diamond</td><td align="right">R Documentation</td></tr></table>

<h2>Pricing the C's of Diamond Stones </h2>

<h3>Description</h3>


<p>a cross-section from 2000
</p>
<p><EM>number of observations</EM> :  308
</p>
<p><EM>observation</EM> :  goods
</p>
<p><EM>country</EM> :  Singapore
</p>


<h3>Usage</h3>

<pre>data(Diamond)</pre>


<h3>Format</h3>

<p>A dataframe containing :
</p>

<dl>
<dt>carat</dt><dd><p>weight of diamond stones in carat unit</p>
</dd>
<dt>colour</dt><dd><p>a factor with levels (D,E,F,G,H,I)</p>
</dd>
<dt>clarity</dt><dd><p>a factor with levels (IF,VVS1,VVS2,VS1,VS2)</p>
</dd>
<dt>certification</dt><dd><p>certification body, a factor with levels (GIA,IGI,HRD)</p>
</dd>
<dt>price</dt><dd><p>price in Singapore \$</p>
</dd>
</dl>



<h3>Source</h3>


<p>Chu, Singfat (2001) &ldquo;Pricing the C's of Diamond Stones&rdquo;, <EM>Journal of Statistics Education</EM>, <B>9(2)</B>.
</p>


<h3>References</h3>


<p>Journal of Statistics Education's data archive : <a href="http://www.amstat.org/publications/jse/jse_data_archive.html">http://www.amstat.org/publications/jse/jse_data_archive.html</a>.
</p>


<h3>See Also</h3>

<p><code>Index.Source</code>, <code>Index.Economics</code>, <code>Index.Econometrics</code>, <code>Index.Observations</code></p>


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